hresult 0x800706ba

each data stream to wait for the event and then process the data. In the previous V1, the frame is independent, after the data is dropped, so want to read in the depth color, such as the operation, must use the memory copy, and multi-threaded read and write data will require mutual exclusion lock, very affect efficiency;Nuisetframeendevent, the Allframeready event in the C # interface, but waiting for all the data is not only too restrictive but inefficient.)Sample ProgramThe Kinect SDK v2 prev

registers an instance of the class, which provides the implementation of the receiver interface. The hosting client registers a single event Delegate and creates a single receiver based on each event notification method. For details, refer to the interoperability section of C. I. Programming of connection points 1. Use ATL to create a component program. 2. Add ATL simple object and support connection point events. NOTE: If there is no current connection point event, you can manually add it in

COM (5) -- inherit from the idispatch Interface (1) ObjectivesThis article uses a simple example to describe how to make our COM Object accessible to the scripting language. (2) IDL filesTo use COM components in the script language environment, the COM specification specifies that the COM to be used in the script language environment must implement the idispatch interface.The itimebeijing interface is defined below. Note the differences between this file and our previous file: Import "oaidl. IDL

parameter is preprocessed and the actual call is provided to the object. Then, the call return values returned by the component and the [In, out] and [out] parameters on the call Stack are passed to the party for post-processing. As a COM ObjectIn our AOP framework, we implement the com class of the iaspect interface, as shown in 3. Interface iaspect: iunknown {Hresult preprocess ([in] iunknown * punkdelegatee,[In] BSTR riid,[In] BSTR strmethodna

It seems that Microsoft Source reader is still quite difficult to use because of its needs. In fact, according to the example provided by Microsoft, You can normally debug the program. The following example shows the source reader code. At the same time, the pointer is used in the hresult createvideodevicesource (imfmediasource ** ppsource) function to correctly export the ppsource, not null. Before debugging, use

SAFE_RELEASE (x )\If (NULL! = X )\{\X-> Release ();\X = NULL ;\}# Endif // SAFE_RELEASE# Ifndef SAFE_DELETE# Define SAFE_DELETE (x )\If (NULL! = X )\{\Delete x ;\X = NULL ;\}# Endif // SAFE_DELETE# Ifndef SAFE_ARRAYDELETE# Define SAFE_ARRAYDELETE (x )\If (NULL! = X )\{\Delete [] x ;\X = NULL ;\}# Endif // SAFE_ARRAYDELETE# Ifndef UNICODEHRESULT ConvertMBtoWC (LPCTSTR ptszInString, LPWSTR * ppwszOutString){If (ptszInString = NULL | ppwszOutString = NULL ){Return (E_INVALIDARG );}

COM object createdAnd then how to call the COM component. Here is the method for calling the COM Object in C ++. There are generally three methods to create a COM object. You can create an object normally and use the cocreateinstance function. If you create an object in a remote system, use the cocreateinstanceex function. The cogetclassobject function is used to create multiple objects with the same clsid. 1. Use the cocreateinstance function to create a COM object. // Load the generated file

some more details on what does with the? HRESULTs returned from COM methods. An ?HRESULT?is a 32-bit signed integer, with nonnegative values indicating Success, and negative values indicating failure. An? hresult ?has three fields:the severity bit (to indicate success or failure), the facility code, and the status Co De. The "facility" indicates what's component or program the?

,{0X92,0X0B,0XA7,0XBD,0XEE,0X6D,0X2B,0XA3}};{0x36299202, 0x9ef, 0x4abf,{0xad, 0xb9, 0x47, 0xc5, 0x99, 0xdb, 0xe7, 0x78}};Ccardscanapp::initinstance-dll initializationBOOL ccardscanapp::initinstance (){BOOL binit = Colecontrolmodule::initinstance ();if (binit){}return binit;}Ccardscanapp::exitinstance-dll terminated.int Ccardscanapp::exitinstance (){return Colecontrolmodule::exitinstance ();}HRESULT createcomponentcategory (CATID CATID, CHAR *catdescri

follows: HRESULT d3dx11createshaderresourceviewfromfile ( _in_ id3d11device *pdevice, _in_ LPCTSTR psrcfile, _in_ d3dx11_image_load_info *ploadinfo, _in_ id3dx11threadpump * Ppump, _out_ id3d11shaderresourceview **ppshaderresourceview, _out_ HRESULT *phresult );Id3d11device *pdevice: This is the device interface pointer, which is the LP

After work, in the reading of the code written by foreigners, found a very interesting thing, we often say goto statement is harmful, mainly it jumps to jump, upset logic. But Goto also has benefits, such as single-exit, unified freeing of memory aspects, the next look at a function of MAPI initializationintMapiinit () {intResult =Dt_error; HRESULT HRESULT=S_FALSE; HANDLE Hlock=NULL; BOOL bLocked=FALSE; DWO

The method of the COM component is declared in IDL: [ID (1), helpstring ("Method Inputarray")] HRESULT Inputarray ([in] VARIANT vdata); Methods to establish an array in a script and invoke a COM component: When the array is large, like 100k, JavaScript is very inefficient when assigning values to arrays! Completion time, CPU occupancy rate, memory consumption is terrible. Instead, VBScript did a good job. Code for COM components: You can see from

file to the project name Ctrl.h file#include Find Declare_dyncreate (project name ctrl)After that, add the following codeDeclare_interface_map () Begin_interface_part (Objsafe, IObjectSafety) Stdmethod_ (HRESULT, getinterfacesafetyoptions) ( refiid riid, *pdwsupportedoptions, * pdwenabledoptions ); Stdmethod_ (HRESULT, SetInterfaceSafetyOptions) (

query, so what is this interface? This is the famous IUnknown interface, and the IUnknown interface is defined in the Windows SDK Unknwn.h, which is defined as follows: Copy Code code as follows: Interface IUnknown { Public Virtual HRESULT stdmethodcalltype QueryInterface (REFIID riid, _com_outptr_ void **ppvobject) = 0; Virtual ULONG stdmethodcalltype AddRef (void) = 0; Virtual ULONG Stdmethodcalltype release (void) = 0;

operation rather than a COM operation, in the lookup SQL This is especially true when the server online brochure (BOL) is in use. Let's talk about how to use SQL Server's COM automated operation stored procedures and how COM automated operations can help us solve real-world programming problems. Details of COM operations Table 1 lists the 7 extended stored procedures for COM operations in SQL Server. When automating a COM object, you need to first establish an instance of a COM object by callin

Three, purely manually create a COM component 1, from the construction project to the implementation of registration In this process we will complete three steps: Create DLL entry function, define interface file, implement registration function 1.1 Create a type Win32 DLL project Create a Win32 DLL project called Mathcom. In the second step of the wizard, select the "A smiple DLL project" option. Of course, if you choose an empty project, then you complete the DllMain definition yourself.

These are in the MFC framework for the study of insurance projects, only studied for two weeks, but still learned a lot of knowledge. Here is a look at the various operations of the database using ADO. 1, the database connection and open the project is SQL Server database, ADO connection data encountered the most important problem is to find the connection string, through a variety of personal experience, found on the internet a bug-free method, is by creating a new Ado.udl file and then open

like multi-inheritance. Class Name = Class (Interface Class 1, Interface Class 2... ), And then the declared interface class will overload the virtual method of the inherited class to implement the interface function. The following are the declarations of iinterface, iunknown, and idispatch. Do you know the connection between these important interfaces? The interfaces of any COM object are ultimately inherited from iunknown, while the Automation Object also includes idispatch. We will see its r

looking for. It is a class factory object, and a class factory object knows how to instantiate any other class. The indirect access at the first layer allows the details of component creation to be specified. If it simply and directly returns an object pointer we are looking for, it indicates that the object already exists, we will not be able to set and control any parameters about the constructed object. Dllgetclassobject returns an iclassfactory interface, which is derived from iunknown and

work properly in the protection mode, and describes some APIs in the sample code. Each topic corresponds to one (or one) button. Solution under protection modeSeveral new APIs are added in IE 7, which are located in ieframe. in DLL, plug-ins can use them to execute functions restricted in the protection mode, either directly through iepmapi. lib links to these Apis. You can also use loadlibrary ()/getprocaddress () to obtain the function pointer at runtime. If you want the plug-in to load norm